JP2013096180A - Admission port construction method and admission port - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an admission port construction method for easily attaching an admission port to an inclined surface side of a building having three or more stories, and the admission port.SOLUTION: An admission port 30 in a preassembled state is temporarily attached to a part on the side of an inclined surface 4 of a side face of an upper story building unit 10b, and after installing the upper story building unit 10b, the admission port 30 is detached from the upper story building unit 10b, moved to the side of the inclined surface 4, and installed above a lower story building unit 10a arranged on one side face 1a of a building 1. Thus, simultaneously with the installation of the upper story building unit, the admission port is also conveyed to a third or higher story, and the need of assembling the admission port on the third or higher story is eliminated.

Description

  The present invention relates to an entrance provided on an inclined surface side of a three-story or higher building and a method for constructing the entrance.

Of the three-story and higher buildings, on the third and higher floors that are 31 meters or less in height, use the emergency entrance for fire fighters to use in fire fighting activities in the event of a fire, or this emergency entrance It is obliged to provide a substitute entrance for substitution.
2. Description of the Related Art Conventionally, a technique for building a three-story or higher building using a trapezoidal box-shaped building unit having such an emergency entrance (hereinafter referred to as an entrance) is known (for example, see Patent Document 1). . By using a trapezoidal box-shaped building unit as described in Patent Document 1, it is possible to reliably provide an entrance on the inclined surface side of the building corresponding to the oblique line restriction defined by law.

JP 09-203119 A

However, there are cases where costs and labor are increased by the amount of use of a trapezoidal box-shaped building unit, and there has been a demand for building a three-story or higher building without using a trapezoidal box-shaped building unit. .
However, if a trapezoidal box-like building unit is not used, the entrance must be transported to the third floor or higher or assembled on site. For this reason, work work increases on the contrary, and workability may not be improved.

  The subject of this invention aims at providing the construction method and entrance of an entrance which can attach an entrance easily to the inclined surface side of a building of three stories or more.

The invention according to claim 1 is a construction method of the entrance 30 and, for example, as shown in FIGS. 1 to 10, a plurality of lower floor building units 10 a. Forming,
Thereafter, the upper-floor building unit 10b is placed above the plurality of lower-floor building units 10a... And the lower-floor building unit 10a disposed on one side 1a of the building 1 among the plurality of lower-floor building units 10a. Is also installed on the inner side, and an inclined surface 4 is formed by bridging an inclined surface material 20 between the upper floor building unit 10b and the lower floor building unit 10a disposed on the one side surface 1a of the building 1. In forming the upper floor 3, which is the third floor or higher of the building 1,
The entrance 30 in a pre-assembled state is temporarily attached to a portion of the side surface of the upper floor building unit 10b on the inclined surface 4 side,
After installing the upper-floor building unit 10b, the entrance 30 is removed from the upper-floor building unit 10b and moved to the inclined surface 4 side, and the lower-floor building unit 10a disposed on one side surface 1a of the building 1 It is characterized by being installed above.

  According to the first aspect of the present invention, the upper-floor building unit 10b is located above the plurality of lower-floor building units 10a, and one side surface 1a of the building 1 among the plurality of lower-floor building units 10a. The entrance 30, which is temporarily installed on the side of the inclined surface 4 on the side surface of the upper building unit 10 b, is installed on the third floor of the building 1 at the same time as the lower floor building unit 10 a disposed on the inside. It can be transported to the above floor 3. Further, the entrance 30 is removed from the upper-floor building unit 10b and moved to the inclined surface 4 side so as to be installed above the lower-floor building unit 10a disposed on the one side surface 1a of the building 1. Since the installation work is performed, there is no need to assemble the entrance 30 on the third floor or more, and the entrance 30 is arranged from the upper floor building unit 10b to the one side 1a of the building 1 in the lower floor building unit. All you have to do is replace it above 10a. Thereby, the entrance 30 can be easily attached to the inclined surface 4 side of the building 1 having three or more stories.

The invention according to claim 2 is the construction method of the entrance 30 according to claim 1, for example, as shown in FIGS.
The upper floor building unit 10b is installed after the upper floor panel 40 to which the lower end of the entrance 30 is attached is installed on the upper surface of the lower floor building unit 10a disposed on the one side 1a of the building 1. It is characterized by.

According to invention of Claim 2, before installing the said upper floor building unit 10b, the upper floor panel 40 to which the lower end part of the said entrance 30 is attached is arrange | positioned on the one side 1a of the said building 1. As shown in FIG. Since it is installed on the upper surface of the lower-floor building unit 10a, the installation work of the entrance 30 can be started after the upper-floor building unit 10b is installed. That is, since the entrance 30 is attached to the upper floor panel 40, if the upper floor panel 40 is installed before the entrance 30 is transported, the entrance 30 is set to the installation location. It can be attached to a predetermined position of the upper floor panel 4 without making a mistake.
Further, since the entrance 30 can be attached using the upper floor panel 40 as a scaffold, the entrance 30 can be safely attached.
Further, for example, if the upper floor panel 40 is in a state where it can be understood by exposing a part to which the lower end of the entrance 30 is attached (for example, the floor intermediate beam 42), A specific part can be used for positioning when the entrance 30 is attached.

The invention according to claim 3 is a construction method of the entrance 30 according to claim 2, for example, as shown in FIGS.
After the waterproof floor 46 for the balcony 5 that has been waterproofed is installed on the side surface 1a side of the building 1 on the upper surface of the upper floor panel 40, the entrance 30 is connected to the upper floor panel 40. It is attached to the upper surface along the building center side edge 46a of the waterproof floor 46.

According to the invention described in claim 3, before attaching the entrance 30 to the upper surface of the upper floor panel 40, the waterproof floor 46 is placed on one side of the building 1 on the upper surface of the upper floor panel 40. Since it is installed on the la side, the entrance 30 arranged facing the balcony 5 can be installed after the floor 46 of the balcony 5 is formed. That is, since the entrance 30 is arranged facing the balcony 5, if the waterproof floor 46 of the balcony 5 is formed before the entrance 30 is installed, the entrance 30 is set to the installation location. The upper floor building unit 10b can be moved from the temporary mounting position without making a mistake.
And since the said entrance 30 is attached along the building center side edge 46a of the said waterproof floor 46, the building center side edge 46a of this waterproof floor 46 can be utilized as positioning.

Invention of Claim 4 is a construction method of the entrance 30 as described in any one of Claims 1-3, as shown, for example in FIGS. 4-7,
When the entrance 30 is temporarily attached to a portion of the side surface of the upper-floor building unit 10b on the side of the inclined surface 4, the temporary entrance 30 compensates for the difference between the height of the entrance 30 and the height of the upper-floor building unit 10b. The mounting jig 50 is used.

According to the invention described in claim 4, when the entrance 30 is temporarily attached to a portion of the side surface of the upper floor building unit 10b on the inclined surface 4 side, the height of the entrance 30 and the upper floor building Since the temporary attachment jig 50 that compensates for the difference from the height of the unit 10b is used, the entrance 30 can be reliably attached to the upper floor building unit 10b.
Further, the temporary mounting jig 50 can be reused in the construction work of another entrance, and this temporary mounting jig 50 is preferable because it can reduce the cost and labor involved in manufacturing.

Invention of Claim 5 is the entrance 30 used with the construction method of the entrance 30 as described in any one of Claims 1-4 as shown, for example in FIGS. 3-10,
A frame 31 for forming the opening 31a in the wall of the upper floor 3 of the building 1 and supporting the inclined surface member 20,
And a sash 39 attached to the inner side surface of the frame body 31.

According to the fifth aspect of the present invention, if the entrance 30 is installed above the lower-floor building unit 10a disposed on the one side surface 1a of the building 1, the sash 39 can be attached at the same time. Therefore, it is not necessary to assemble the entrance 30 on the third floor or more, and the entrance 30 can be easily attached to the inclined surface 4 side of the building 1 having three stories or more.
Moreover, since the frame 31 can support a portion of the inclined surface member 20 between the upper floor building unit 10b and the lower floor building unit 10a disposed on the one side surface 1a of the building 1, The stability of the installation state of the inclined surface material 20 can be improved.

  According to the present invention, the upper-floor building unit is more than the lower-floor building unit by temporarily attaching a pre-assembled entrance to the inclined surface side portion of the side surface of the upper-floor building unit. At the same time, it is installed inside the lower floor building unit located on one side of the building, and at the same time, it is temporarily attached to the inclined surface side part of the upper floor building unit. Entered entrances can also be transported to more than the third floor of the building. In addition, the entrance is removed from the upper floor building unit and moved to the inclined surface side so that it can be installed above the lower floor building unit located on one side of the building. There is no need to assemble the entrance on the floor, and this entrance only needs to be replaced from the upper building unit to the upper part of the lower building unit arranged on one side of the building. Thus, the entrance can be easily attached to the inclined surface side of a three-story or higher building.

It is sectional drawing which shows the building more than three stories in which the entrance was attached to the inclined surface side. It is a perspective view which shows an example of a building unit. It is a figure which shows the frame which comprises an entrance. It is a figure which shows the upper-floor building unit to which the entrance was temporarily attached. It is a figure which shows the connection part of the frame of an entrance and a temporary attachment jig. It is a figure which shows the upper-floor building unit to which the entrance was temporarily attached when it sees from the angle different from FIG. It is a figure which shows the connection part of the frame of an entrance and an upper-floor building unit. It is a top view which shows an example of the construction method of an entrance. It is a figure which shows the entrance which was installed in the upper surface of an upper floor panel. It is a figure which shows the inclined surface material of the state supported by the frame of the entrance in FIG.

Embodiments of the present invention will be described below with reference to the drawings.
A building 1 shown in FIG. 1 is a unit building, and a building main body is constituted by a plurality of building units 10 (10a, 10b, 10c) and the like, and in this embodiment, it is a three-story building. In addition, a gable roof is provided on the upper part of the building body, and is constituted by an inclined surface material 20 that is a roof panel.
An inclined surface 4 is formed by the inclined surface material 20 on the third floor of the building 1. This inclined surface 4 is for complying with the oblique line restriction defined by law. Furthermore, one side 1a of the building 1 where the inclined surface 4 is formed faces a road or a passage with a width of 4 meters or more leading to the road or other open space. For this reason, it is legally required to install the entrance 30 on the third floor portion of the side surface 1a of the building 1. The entrance 30 is provided facing the balcony 5.
The building unit 10c is a first-floor building unit constituting the first floor of the building body, the building unit 10a is a lower-floor building unit constituting the second floor, and the building unit 10b is an upper-floor building unit constituting the third floor. It is.

Here, as shown in FIG. 2, the building units 10a, 10b, and 10c include four columns 11, four ceiling beams 12 that connect the upper ends of these columns 11, and the columns 11. Are provided with four floor beams 13 for connecting the lower ends of.
The four ceiling beams 12 are composed of two long side ceiling beams 12a and 12a and two short side ceiling beams 12b and 12b shorter than the long side ceiling beams 12a. The four floor beams 13 are composed of two long side floor beams 13a and 13a and two short side floor beams 13b and 13b shorter than the long side floor beam 13a. The column 11 is formed in a square cylinder shape, and the ceiling beam 12 and the floor beam 13 are each formed in a U-shaped cross section.
A plurality of ceiling beams 14 are installed on the two long-side ceiling beams 12a, 12a, and the ceiling beams 14 are provided at predetermined intervals in the longitudinal direction of the long-side ceiling beams 12a. A ceiling plate 15 is fixed to the lower surface of the ceiling beams 14.
A plurality of joists 16 are installed on the two long side floor beams 13a, 13a, and the joists 16 are provided at predetermined intervals in the longitudinal direction of the long side floor beams 13a. A floor plate 17 is fixed to the upper surface of the joists 16.
Note that the upper end portion of the column 11 and the end portion of the ceiling beam 12 are joined by a column head joining member 18, and the lower end portion of the column 11 and the end portion of the floor beam 13 are joined by a column base joining member 19.
Further, when such building units 10a, 10b, and 10c are arranged adjacent to each other in the vertical and front / rear and left / right directions, they are appropriately connected by positioning pins, connection plates, bolts and the like (not shown).

As shown in FIG. 1, the first floor of the building 1 is formed by arranging a plurality of the first floor building units 10c.
In this embodiment, the plurality of first-floor building units 10c... Are arranged adjacent to each other by two in the long side direction and are separated and placed at an appropriate interval in the short side direction. .
Moreover, the floor 1 is formed by attaching the floor board 7 between the 1st floor building units 10c and 10c of the 1st floor and the other floor which are left apart. In addition, an inner wall surface material is appropriately attached to a plurality of first-floor building units 10c, and a heat insulating material is provided in the wall.
The first floor of the building 1 is configured as described above. That is, in order to constitute the first floor of the building 1, four first-floor building units 10c, etc. are used.

As shown in FIG. 1, the second floor of the building 1 is formed by arranging a plurality of the lower floor building units 10 a... On the first floor of the building 1.
In the present embodiment, the plurality of lower-floor building units 10a... Are formed by separating the first-floor portion of the building 1 from the plurality of first-floor building units 10c as described above. Similarly, the two floors are arranged adjacent to each other in the long side direction and separated by two at an appropriate interval in the short side direction.
Further, the long-side floor beam 13a of one lower-floor building unit 10a and the long-side floor beam 13a of the other lower-floor building unit 10a that are separated from each other are provided with support beams 6a along the long-side floor beams 13a and 13a. , 6a are fixed. Further, a connecting member 6 is provided between the supporting beam 6a on the one lower floor building unit 10a side and the supporting beam 6a on the other lower floor building unit 10a side in the length direction of the supporting beams 6a and 6a. A plurality of bridges are installed at intervals. And the floor board 6b which is flush | level with the floor board 17 of the lower floor building unit 10a is attached to these connection member 6 ... upper surface. As a result, a second floor is formed.
Moreover, an inner wall surface material is suitably attached to several lower floor building units 10a ..., and the heat insulating material is provided in the wall.
The second floor of the building 1 is configured as described above. That is, in order to constitute the second floor of the building 1, four lower-floor building units 10a, a plurality of connecting members 6, and the like are used.

As shown in FIGS. 1 and 8, by arranging the plurality of upper floor building units 10b in parallel on the second floor of the building 1, and by arranging the plurality of upper floor panels 40 in parallel. The third floor of the building is formed.
In addition, it is necessary to form the inclined surface 4 on the one side 1a of the building 1 on the third floor 3 of the building 1 as described above.
Since the building unit 10 formed in a rectangular parallelepiped shape cannot be installed below the inclined surface 4, the upper floor building unit 10b is installed below the roof ridge as shown in FIG. In addition, the place below the ridge part of this roof is located above the clearance gap between the one and the other lower floor building units 10a and 10a of the second floor 2 apart. For this reason, the upper floor building unit 10b is supported above the gap between the one and the other lower floor building units 10a, 10a by a support means such as a support plate or a support beam (not shown). In the present embodiment, as shown in FIG. 8, the upper-floor building unit 10b is arranged adjacent to two in the long side direction.
In the present embodiment, the third floor 3 of the building is provided with a ceiling plate along the roof shape as shown in FIG. In such a case, the plurality of ceiling beams 14 between the long side ceiling beams 12a and 12a are removed from the upper floor building unit 10b. Further, the upper floor building unit 10b is provided with reinforced ceiling beams 12c along inner surfaces of the long side ceiling beams 12a and 12a and the short side ceiling beams 12b and 12b. 12a and the short side ceiling beams 12b, 12b are reinforced.

Further, as shown in FIG. 8, the upper floor panel 40 is adjacent to the one side surface 1a side of the building and the other side surface 1b side opposite to the one side surface 1a in the long side direction. Are arranged. The plurality of upper floor panels 40 are installed on the upper surfaces of one and the other lower floor building units 10a, 10a that are separated from the second floor 2 of the building 1.
The upper floor panel 40 includes four floor beams 41, a floor intermediate beam 42, a joist 43 and the like.
The four floor beams 41 are constituted by two long side floor beams 41a and 41a and two short side floor beams 41b and 41b shorter than the long side floor beam 41a.
Further, the floor intermediate beam 42 is arranged in the long side direction in the vicinity of the middle between the two short side floor beams 41b and 41b. Further, as shown in FIG. 8, the floor intermediate beam 42 has an end portion fixed to the short side floor beam 41b and a lower portion bolted to the ceiling beam 14 of the second floor second floor building unit 10a. It is fixed. The floor intermediate beam 42 is a portion to which the lower end of the entrance 30 is fixed.
Further, the joists 43 are installed between the floor intermediate beam 42 and the long side floor beam 41a on the one side surface 1a side of the building 1.
Moreover, as shown in FIG. 4, the outer wall material 44 which comprises the outer wall of the 3rd floor 3 is attached to the long side floor beam 41a by the side 1a side of the said building 1. As shown in FIG. Further, an eaves ceiling 24 is provided between the upper end portion of the outer wall member 44 and the eave end side end portion of the inclined surface member 20.
In addition, a floor board 45 is provided on the upper surface of the upper floor panel 40, and is provided continuously with the floor board 17 of the upper floor building unit 10b. Further, in the present embodiment, a floor plate 15a is provided on the upper surface of the lower floor building unit 10a as a floor surface that is one step lower than the floor surface of the third floor 3. This one-step lower floor is used as a step of a staircase provided between the second floor 2 and the third floor 3.

Further, on the side surface 1a side of the building 1 on the upper surface of the upper floor panel 40, as shown in FIG. 4 and FIG. . Note that both ends of the waterproof floor 46 are joined to the short side floor beam 41 b and the joist 43 of the upper floor panel 40.
The waterproof floor 46 includes a floor beam 47, a rising 48, and a floor plate 49. The floor beam 47 is composed of two long side beams and two short side beams.
The rise 48 is erected on the upper surface of the floor beam 47 along the floor beam 47, and the floor plate 49 in which a water gradient is set is provided inside the rise 48. Further, a drain outlet is provided below the water gradient of the floor plate 49.
The waterproof floor 46 is waterproofed by providing a PVC waterproof sheet around the floor plate 49 and the floor plate 49.
The entrance 30 is attached along the edge 46a of the waterproof floor 46 at the center of the building. More specifically, the entrance 30 is attached along the outer surface of the rising 48 located on the opposite side of the side surface 1a of the building 1. Therefore, the building center side edge 46a of the waterproof floor 46 can be used for positioning when the entrance 30 is attached. For this reason, the entrance 30 can be easily and accurately attached.
Moreover, the balcony wall 22 which comprises the wall of the balcony 5 is standingly arranged by the upper surface of the site | part located in the one side surface 1a side of the building 1 among the said standups 48. FIG.

In the building 1 of the present embodiment, the building units 10 (10a, 10c) and 10 (10a, 10c) adjacent in the short side direction are separated from each other on the first and second floors with an appropriate interval. However, the present invention is not limited to this, and the building unit 10 (10a, 10c) may be installed in place of the interval. That is, the first floor and the second floor of the building 1 may be formed by arranging a plurality of building units 10 (10a, 10c) without being spaced apart in the long side direction or the short side direction without any gaps. Shall.
For example, as shown in FIG. 8, the building body may be configured using building units 10 and 10 having different lengths in the long side direction.

Moreover, the said inclined surface 4 is formed of the inclined surface material 20 which comprises a roof as mentioned above.
The inclined surface material 20 is bridged between the upper floor building unit 10b and the lower floor building unit 10a disposed on one side surface 1a of the building 1. More specifically, the long-side ceiling beam 12a of the upper-floor building unit 10b and the upper-floor floor panel 40 installed on the upper surface of the lower-floor building unit 10a disposed on one side surface 1a of the building 1 are erected. It is constructed between the roof bundle (not shown). That is, the upper part of the inclined surface member 20 is supported by the long side ceiling beam 12a of the upper floor building unit 10b, and the lower part is supported by the lower floor building unit 10a via the upper floor panel 40 and the roof bundle. Has been.
Note that a plurality of the roof bundles are erected at intervals in the long side direction of the upper floor panel 40. In addition, the roof bundle includes an upper floor panel below the inclined surface member 20 spanned between the upper floor building unit 10b and the lower floor building unit 10a disposed on one side surface 1a of the building 1. It is not installed only at 40, but is arranged as much as necessary for all of the upper floor panels 40 ... arranged side by side on the third floor 3 of the building 1, and supports the entire roof And

Further, as shown in FIG. 9, the inclined surface member 20 includes a frame member 20a, a crosspiece 20b, a purlin 20c, a base plate 20d, and a heat insulating member 20e.
The frame member 20a forms a rectangular frame as an outer frame of the inclined surface member 20 by assembling a plurality of frame members 20a vertically and horizontally.
A plurality of the crosspieces 20b are assembled in a rectangular frame formed by the frame members 20a ... along the gradient direction of the roof. The plurality of crosspieces 20b ... function as rafters. A plurality of the purlins 20c are assembled in the rectangular frame along the roof ridge direction.
The base plate 20d is attached to the upper surface of the main frame 20c and a rectangular frame formed of the frame members 20a, and a plurality of crosspieces 20b assembled to the rectangular frame.
The heat insulating material 20 e is filled in the inclined surface material 20, specifically, formed between the field plate 20 d and a ceiling plate attached to the indoor side surface of the inclined surface material 20. The gap is filled.
In addition, the location corresponding to the said balcony 5 is made into the opening part in the said baseplate 20d, Thereby, the said balcony 5 is open | released upwards and outdoors. Among the plurality of crosspieces 20b and the plurality of purlins 20c, the crosspieces 20b and the purlin 20c provided facing the balcony 5 are, for example, a cover such as an upper wall 21 and a ridge wrap 23 described later. It shall be appropriately covered by the means.
Further, the frame member 20a, the crosspiece member 20b, and the main building 20c are attached with nuts for fixing bolts corresponding to bolt holes 38a of the receiving plate portion 38, which will be described later, and nuts for fixing the roof bundle with bolts. .

1 and 9, the upper end portion is fixed to the inclined surface member 20 and the lower end portion is fixed to the floor intermediate beam 42 below the inclined surface member 20. The entrance 30 is provided.
As shown in FIGS. 3 and 9, the entrance 30 includes a metal frame 31 for forming an opening 31 a in the wall of the third floor 3 and supporting the inclined surface member 20, and the frame. It is set as the apparatus provided with the sash 39 attached to the inner surface of the body 31. FIG.
The frame 31 includes two vertical frame members 32 and 32 formed in a square cylindrical shape, a horizontal frame member 33 constructed between the upper end portions of the two vertical frame members 32 and 32, and a lower end portion. It is formed in a rectangular frame shape by a horizontal frame member 35 installed between them. The opening 31 a formed inside the frame 31 is used as an opening of a wall provided on the third floor 3 of the building 1 facing the balcony 5.
In addition, since this entrance 30 is fixed to the floor intermediate beam 42 at the lower end, the floor intermediate beam 42 can be used for positioning when the entrance 30 is attached. For this reason, the entrance 30 can be easily and accurately attached.

A base plate 32 a having bolt holes formed on both sides of the vertical frame member 32 is provided at the lower end portion of the vertical frame member 32. Bolt holes are respectively formed on both sides of the base plate 32a with the vertical frame member 32 interposed therebetween, so that bolts for fixing the vertical frame member 32 at predetermined positions can be inserted.
Further, the upper end portion of the vertical frame member 32 is formed obliquely at an angle corresponding to the inclination angle of the inclined surface material 20, and the receiving plate portion 38 that receives the inclined surface material 20 is formed at the upper end portion. Is attached. The receiving plate portion 38 is wider than the upper surface of the vertical frame member 32 formed obliquely and extends upward. A plurality of bolt holes 38 a... Are formed in the extending portion of the receiving plate portion 38 so that bolts 38 b for fixing the inclined surface material 20 to the receiving plate portion 38 can be inserted. Further, between the lower surface of the extending portion of the receiving plate portion 38 and the vertical frame member 32, a triangular reinforcing rib 38d is formed along the lower surface of the extending portion of the receiving plate portion 38 and the vertical frame member 32. Is attached, so that the inclined surface member 20 can be supported more reliably and stably.
A bracket 34 for attaching the horizontal frame member 33 is attached to the upper end portion of the vertical frame member 32. A bolt hole is formed in the bracket 34 so that a bolt 34a for fixing the horizontal frame member 33 can be inserted.
A bracket 36 for attaching the horizontal frame member 35 is attached to the lower end portion of the vertical frame member 32. A bolt hole is formed in the bracket 36 so that a bolt 36a for fixing the horizontal frame member 35 can be inserted.
In addition, an L-shaped attachment plate portion 37 to which the side end portion of the sash 39 is attached is attached to the vertical frame member 32. The mounting plate portion 37 is provided along the length direction of the vertical frame member 32 and is positioned between the bracket 34 and the bracket 36.
The bracket 34, the bracket 36, and the mounting plate portion 37 are provided on the side surface of the opening 31a of the frame 31.

The horizontal frame member 33 includes a lower surface plate 33a, a protruding plate portion 33b protruding upward from one side edge of the lower surface plate 33a, and a protruding portion 33c protruding upward from the other side edge of the lower surface plate 33a. I have. The protruding plate portion 33b is set to be higher than the protruding portion 33c.
Further, a sash anchor nut 33d to which a sash anchor (not shown) used for attaching the sash 39 to the frame body 31 is fixed is provided on the upper surface of the lower surface plate 33a at an appropriate interval. Yes. Further, it is assumed that a hole corresponding to the hole of the nut 33d is formed in the lower surface plate 33a at a position where the nut 33d is provided.
Further, on the lower surface of the lower surface plate 33a, suspension nuts 33e and 33e for attaching suspension jigs (not shown) for lifting the entrance 30 itself are provided at both ends of the lower surface plate 33a. . Further, it is assumed that a hole corresponding to the hole of the suspension nut 33e is formed in the lower surface plate 33a at a position where the suspension nut 33e is provided.
Further, attachment plates 33f and 33f that are in contact with brackets 34 and 34 attached to both ends of the two vertical frame members 32 and 32 are attached to both ends of the horizontal frame member 33. Bolt holes corresponding to the bolt holes formed in the brackets 34, 34 are formed in the mounting plates 33f, 33f. A bolt 34a is inserted into the bolt hole of the mounting plate 33f and the bolt hole of the bracket 34, and the nut 34b is screwed into the bolt 34a, whereby the mounting plate 33f is fixed to the bracket 34. Accordingly, the horizontal frame member 33 can be attached to the two vertical frame members 32 and 32.

The horizontal frame member 35 is a so-called C-shaped steel, and is provided such that the open surface faces downward.
A sash anchor nut 35b to which a sash anchor (not shown) used for attaching the sash 39 to the frame body 31 is fixed is provided on the lower surface of the upper surface plate 35a of the horizontal frame member 35 at an appropriate interval. Is provided. Further, it is assumed that a hole corresponding to the hole of the nut 35b is formed in the upper surface plate 35a at a position where the nut 35b is provided.
In addition, attachment plates 35c and 35c that are in contact with brackets 36 and 36 attached to both ends of the two vertical frame members 32 and 32 are attached to both ends of the horizontal frame member 35, respectively. Bolt holes corresponding to the bolt holes formed in the brackets 36, 36 are formed in the mounting plates 35c, 35c. The bolts 36a are inserted into the bolt holes of the mounting plates 35c and the brackets 36, and the nuts 36b are screwed into the bolts 36a, whereby the mounting plate 35c is fixed to the bracket 36. Accordingly, the horizontal frame member 35 can be attached to the two vertical frame members 32 and 32.
Further, between the lower surface of both ends of the horizontal frame member 35 and the mounting plates 35c, 35c, a triangular shape is formed along the lower surface of both ends of the horizontal frame member 35 and the mounting plates 35c, 35c, respectively. The reinforcing ribs 35d, 35d are attached. As a result, the frame body 31 itself can be supported more reliably and stably.

The sash 39 is a sliding window in which a plurality of window sashes in which glass is fitted are attached to a sash frame. Then, both end portions of the sash 39 are attached to the attachment plate portions 37 and 37 of the two vertical frame members 32 and 32. Further, an upper end portion is attached to the horizontal frame member 33 via a sash anchor fixed to the sash anchor nut 33d, and a lower end portion is interposed via the sash anchor fixed to the sash anchor nut 35b. Are attached to the horizontal frame member 35.
The plurality of window sashes of the sash 39 of the present embodiment are such that when one window sash is slid to open the opening 31a, the opening width is 75 cm or more and the opening height is 120 cm or more. Is set. The lower end of the opening is set to be 80 cm or less from the floor surface of the third floor 3. That is, it shall be set so that the standard defined by law may be satisfied.

The entrance 30 as described above is in a state in which the frame body 31 and the sash 39 are assembled in advance. Accordingly, if the entrance 30 is installed above the lower-floor building unit 10a disposed on the one side surface 1a of the building 1, the sash 39 can be attached at the same time. Thus, it is not necessary to assemble the entrance 30 and the entrance 30 can be easily attached to the inclined surface 4 side of the building 1 having three or more stories.
Moreover, since the frame 31 can support a portion of the inclined surface member 20 between the upper floor building unit 10b and the lower floor building unit 10a disposed on the one side surface 1a of the building 1, The stability of the installation state of the inclined surface material 20 can be improved.

As shown in FIG. 9, the upper wall 21 is provided between the inclined surface member 20 and the entrance 30. The upper wall 21 includes a gradient beam 21a, a plywood 21b, a siding 21c, and the like.
The gradient girder 21a is located above the entrance 30 and attached to a purlin 20c provided facing the balcony 5. Moreover, the cross section is formed in a substantially triangular shape, and the surface on the balcony 5 side is a vertical surface.
The plywood 21b is attached to the vertical surface of the gradient girder 21a, and the lower end is in contact with the side surface of the balcony 5 of the protrusion 33c of the horizontal frame member 33. Further, a water-resistant sheet is attached to the side surface of the balcony 5 of the plywood 21b.
The siding 21c is attached to the side surface of the balcony 5 of the plywood 21b through a water-resistant sheet.

Further, as shown in FIG. 9, the balcony wall 22 is provided so as to face the entrance 30. The balcony wall 22 includes a core material panel 22a, a plywood 22b, ventilator rims 22c and 22c, a siding 22d, a receiving member 22e, a base material 22f, and the like.
The core material panel 22a is a rectangular frame formed by assembling a plurality of core materials vertically and horizontally, and a plywood 22b having a water-resistant sheet attached is attached to the side surface of the balcony 5 of the core material panel 22a. The core panel 22a and the plywood 22b constitute a building wall panel. Moreover, the upper end part of this plywood 22b protrudes upwards rather than the upper end part of the said core material panel 22a.
The ventilation trunk edges 22c and 22c are attached to the upper end portion and the lower end portion of the plywood 22b in a lateral direction via a water-resistant sheet.
The siding 22d is attached to the side surface of the balcony 5 of the plywood 22b via the ventilator rims 22c and 22c.
The receiving member 22e receives the inclined surface material 20 provided above the balcony wall 22, and is attached to the upper end portion of the plywood 22b via a base material 22f. Further, it is formed in a substantially U-shaped cross section, and has a surface that is in contact with and fixed to the lower surface of the purlin 20c of the inclined surface material 20 and a surface that is in contact with and fixed to the base material 22f.

The upper end of the balcony wall 22 covers and covers the upper end of the balcony wall 22, the opening formed in the field plate 20 d of the inclined surface member 20, and the main building 20 c facing the balcony 5. A ridge wrap 23 is provided.
The ridge wrap 23 is formed, for example, by bending a metal plate, and a base material 23a attached to the purlin 20c, a base material 23b attached to the upper surface of the inclined surface material 20, and the It is fixed to the base material 23c attached to the upper end of the balcony wall 22. The ridge wrap 23 functions as a handrail for the balcony wall 22.

  Next, the construction method of the entrance 30 will be described. Each building unit 10 (10a, 10b, 10c) constituting the building 1 is installed at a predetermined position while being lifted by a crane or the like at the site.

First, the plurality of first-floor building units 10c... Are arranged adjacent to each other in the long side direction and separated by two at an appropriate interval in the short side direction. By arranging them side by side, the first floor of the building is formed.
In addition, the floor 1 is formed by attaching the floor plate 7 between the one and the other first floor building units 10c, 10c that are separated. In addition, an inner wall material is appropriately constructed or a heat insulating material is constructed.

Subsequently, the plurality of lower floor building units 10a... Are arranged adjacent to each other by two in the long side direction, and two are separated and placed at an appropriate interval in the short side direction. The second floor 2 of the building 1 is formed by arranging the first floor on the first floor.
Further, the support beams 6a and 6a are fixed to the long side floor beam 13a of one lower floor building unit 10a and the long side floor beam 13a of the other lower floor building unit 10a, which are separated from each other. Further, a plurality of the connecting members 6 are installed between the support beams 6a and 6a at appropriate intervals in the length direction of the support beams 6a and 6a. Then, the floor plate 6b is attached to the upper surface of the plurality of connecting members 6 to form a second floor. In addition, an inner wall material is appropriately constructed or a heat insulating material is constructed.

Subsequently, the third floor 3 of the building 1 is formed.
In forming the third floor 3, first, the entrance 30 in a state where the frame body 31 and the sash 39 are assembled in advance is temporarily attached in advance to a portion on the inclined surface 4 side of the side surface of the upper floor building unit 10b. Keep it. In addition, the site | part of the side surface of the upper floor building unit 10b by the side of the inclined surface 4 is parallel to the regular attachment position of the entrance 30, and is on the one side surface 1a side of the building 1 in the upper floor building unit 10b. The long side ceiling beam 12a and the long side floor beam 13a which are located are pointed out.
The frame 31 and the sash 39 are assembled in advance at a factory or the like. Further, the temporary entrance of the entrance 30 to the upper-floor building unit 10b is also performed in advance in a factory or the like, and is transported by a transportation vehicle or the like as it is.

In addition, when the entrance 30 is borrowed and attached to the upper floor building unit 10b, a temporary attachment treatment for compensating for the difference between the height of the entrance 30 and the height of the upper floor building unit 10b. Tool 50 is used.
The temporary attachment jig 50 can compensate for the difference between the height of the entrance 30 and the height of the upper building unit 10b, so that the entrance 30 can be securely attached to the upper building unit 10b. Can do.
Moreover, since the temporary attachment jig 50 can be reused in the construction work of another entrance, the cost and labor involved in manufacturing the temporary attachment jig 50 can be reduced.

Here, as shown in FIGS. 4 to 7, the temporary attachment jig 50 includes a jig body 51 and a connecting portion 52.
The jig body 51 is composed of two side plates and a central plate provided between one end portions of the both side plates, and has a substantially concave cross section. A central plate is bolted to the long side ceiling beam 12a of the upper floor building unit 10b.
The connecting portion 52 connects the lower end portion of the jig main body 51 and the receiving plate portions 38 and 38 provided at the upper end portions of the two vertical frame members 32 and 32 of the frame body 31. As shown in FIG. 5, the connecting portion 52 includes two side plate portions 53, 53, a contact plate portion 54, and a reinforcing plate portion 55.
The side plate portion 53 has an end portion on the jig body 51 side formed obliquely. The abutting plate portion 54 abuts on the receiving plate portion 38 and is integrally constructed between the end portions of the two side plate portions 53 and 53 on the frame body 31 side.
In addition, a hole is formed in the contact plate portion 54, and a nut 54b is fixed at a position corresponding to the hole, and the contact plate portion 54 and the receiving plate portion 38 are connected by a bolt 54a. The
The reinforcing plate portion 55 is integrally formed along the lower end portion in the inclination direction of the contact plate portion 54 and the edge portions of the two side plate portions 53, 53, and the rigidity of the connecting portion 52 itself is increased. Can be increased.
Further, such a temporary mounting jig 50 is joined to the lower ends of the vertical frame members 32 and 32 and used as a set with a support plate 56 that supports the vertical frame members 32 and 32.
As shown in FIG. 7, the support plate 56 is an angle member, one plate is fixed to the base plate 32a of the vertical frame member 32 with bolts and nuts, and the other plate is the upper floor building unit 10b. It is joined to the long side floor beam 13a.

  Subsequently, the plurality of upper floor panels 40 are arranged side by side on the second floor 2 of the building 1. That is, the upper floor panel 40 is installed on one lower floor building unit 10a and the other lower floor building unit 10a that are separated from each other. In particular, an upper floor panel 40 to which the lower end portion of the entrance 30 is attached is installed on the upper surface of the lower floor building unit 10a disposed on one side surface 1a of the building 1.

Subsequently, the plurality of upper floor building units 10b... Are juxtaposed on the second floor 2 of the building 1. That is, the upper-floor building unit 10b is arranged above the gap between the one lower-floor building unit 10a and the other lower-floor building unit 10a so as to be supported by the support means (not shown). That is, the upper floor building unit 10b is installed after the upper floor panel 40 to which the lower end of the entrance 30 is attached is installed on the upper surface of the lower floor building unit 10a arranged on the one side surface 1a of the building 1. Will do.
At this time, at the same time when the upper floor building unit 10 b is installed, the entrance 30 tentatively attached to the portion on the inclined surface 4 side of the upper floor building unit 10 b is also transported to the third floor 3 of the building 1. Further, as shown in FIG. 4, the side plate 1 a side end of the base plates 32 a, 32 a provided at the lower ends of the vertical frame members 32, 32 of the frame 31 constituting the entrance 30 is the upper floor. It is placed on the upper surface of the long side floor beam 41 a of the panel 40.
And before installing the upper floor building unit 10b in this way, an upper floor panel 40 to which the lower end of the entrance 30 is attached is a lower floor building unit 10a disposed on one side 1a of the building 1. Since the upper floor building unit 10b is installed, the installation work of the entrance 30 can be started. That is, since the entrance 30 is attached to the upper floor panel 40, if the upper floor panel 40 is installed before the entrance 30 is transported, the entrance 30 is set to the installation location. It can be attached to a predetermined position of the upper floor panel 4 without making a mistake. Further, since the entrance 30 can be attached using the upper floor panel 40 as a scaffold, the entrance 30 can be safely attached.

Subsequently, as shown in FIG. 9, the waterproof floor for the balcony 5 that is waterproofed on the side surface 1 a side of the building 1 on the upper surface of the upper floor panel 40 to which the lower end of the entrance 30 is attached. 46 is installed.
In addition, the process of installing this waterproof floor 46 may be after installing the said upper floor building unit 10b like this embodiment, and may be before installing the said upper floor building unit 10b. In addition, the floor beam 47 is joined to the upper floor panel 40 in advance in a factory or the like, and the rising 48 and the floor plate 49 are attached to the floor beam 47 before or after the installation of the upper floor building unit 10b. You may do it.
And before attaching the entrance 30 to the upper surface of the upper floor panel 40 in this way, the waterproof floor 46 is installed on the one side surface 1a side of the building 1 on the upper surface of the upper floor panel 40. Therefore, after the floor 46 of the balcony 5 is formed, the entrance 30 arranged facing the balcony 5 can be installed. That is, since the entrance 30 is arranged facing the balcony 5, if the waterproof floor 46 of the balcony 5 is formed before the entrance 30 is installed, the entrance 30 is set to the installation location. The upper floor building unit 10b can be moved from the temporary mounting position without making a mistake.

Subsequently, the entrance 30 temporarily attached to the upper-floor building unit 10b is removed from the upper-floor building unit 10b and moved to the inclined surface 4 side, that is, the one side surface 1a side of the building 1, and the building 1 It is installed above the lower-floor building unit 10a arranged on one side 1a.
At this time, the entrance 30 is attached along the building center side edge 46 a of the waterproof floor 46. The base plates 32a, 32a at the lower end of the entrance 30 are fixed to the upper surface of the floor intermediate beam 42 of the upper floor panel 40 by bolts and nuts.

Subsequently, the inclined surface 4 is formed by bridging the inclined surface material 20 between the upper floor building unit 10b and the lower floor building unit 10a disposed on the one side surface 1a of the building 1. That is, the inclined surface 4 is formed above the upper floor panel 40 to which the lower end portion of the entrance 30 is attached by forming a roof on the upper part of the building body using a plurality of the inclined surface members 20 that are roof panels. Can be formed. At this time, the plurality of inclined surface members 20 are supported by the plurality of roof bundles (not shown).
By forming a roof in the upper part of the building body, a roof ridge is located above the center of the upper floor building unit 10b, and on the outside of the one side 1a and the other side 1b of the building 1. It becomes the state where the eaves part of the roof is located. A roof material is attached to the upper surface of the base plate 20d of the inclined surface material 20. Further, above the upper floor panel 40 to which the lower end portion of the entrance 30 is attached, the inclined surface material 20 having an opening formed in the field board 20d is disposed.

At this time, the inclined surface material 20 is received by the receiving plate portions 38 and 38 provided at the upper ends of the vertical frame members 32 and 32 of the entrance 30. Subsequently, the receiving plate portions 38 and 38 that have received the inclined surface material 20 and the crosspieces 20b and 20b of the inclined surface material 20 are fixed by bolts 38b and nuts 38c.
Subsequently, the upper wall 21, the balcony wall 22, the ridge wrap 23, and the eaves ceiling 24 are installed, a ceiling plate is attached to the indoor side surface of the inclined surface material 20, and the heat insulating material 20 e is installed. The third floor 3 of the building 1 is formed by performing or constructing a floor.
Note that an outer wall material having the same quality as the outer wall material 44 is appropriately attached to the peripheral side surface including the one side surface 1a and the other side surface 1b of the building 1. In addition, the entrance 30 is constructed as described above.

  In the present embodiment, the inclined surface material 20 is installed after the entrance 30 is installed above the lower-floor building unit 10a arranged on the one side surface 1a of the building 1. However, it is not limited to this. That is, after the inclined surface member 20 is bridged between the upper floor building unit 10b and the lower floor building unit 10a disposed on the one side surface 1a of the building 1, the entrance 30 is moved to the building. It may be installed above the lower-floor building unit 10a disposed on one side surface 1a.

In addition, the construction method of the entrance 30 according to the present embodiment can be applied not only to the entrance 30 used as an emergency entrance or substitute entrance, but also to an opening used as a simple entrance.
That is, if an emergency entrance can be secured on another side different from one side 1a of the building 1, the entrance of the present embodiment can be used when an opening is to be attached to the side of the inclined surface 4 of the building 1 as the entrance of the balcony 5. The construction method of the mouth 30 can be applied.

  According to the present embodiment, by temporarily attaching the entrance 30 in a pre-assembled state to the inclined surface 4 side portion of the side surface of the upper floor building unit 10b, the upper floor building unit 10b is At the same time as the upper floor building units 10a ... above the plurality of lower floor building units 10a ... and inside the lower floor building units 10a arranged on one side 1a of the building 1 among the plurality of lower floor building units 10a ... The entrance 30 tentatively attached to a portion of the side surface of the upper floor building unit 10 b on the inclined surface 4 side can also be transported to the third floor 3 of the building 1. Further, the entrance 30 is removed from the upper-floor building unit 10b and moved to the inclined surface 4 side so as to be installed above the lower-floor building unit 10a disposed on one side 1a of the building 1. Therefore, it is not necessary to assemble the entrance 30 on the third floor 3, and the entrance 30 is replaced from the upper building unit 10b to the upper part of the lower building unit 10a disposed on the one side surface 1a of the building 1. Just do it. Thereby, the entrance 30 can be easily attached to the inclined surface 4 side of the three-story building 1 of the present embodiment.

1 Building 1a One Side 2 Lower Floor 3 Upper Floor 4 Inclined Surface 10 Building Unit 10a Lower Floor Building Unit 10b Upper Floor Building Unit 20 Inclined Surface Material 30 Entrance 31 Frame 39 Sash 40 Upper Floor Floor Panel 50 Temporary Mounting Jig

Claims (5)

Multiple lower-floor building units are juxtaposed to form the lower floor of the building,
Thereafter, the upper floor building unit is installed above the plurality of lower floor building units and inside the lower floor building units arranged on one side of the building among the plurality of lower floor building units, The upper floor, which is the third floor or higher floor of the building, is formed by building an inclined surface between the upper floor building unit and the lower floor building unit disposed on one side of the building. In forming
Temporarily attached a pre-assembled entrance to the inclined surface side part of the side surface of the upper floor building unit,
After installing the upper floor building unit, the entrance is removed from the upper floor building unit and moved to the inclined surface side, and installed above the lower floor building unit arranged on one side of the building. Characteristic construction method for entrances. In the construction method of the entrance according to claim 1,
An entrance comprising installing the upper floor building unit after installing an upper floor panel to which a lower end of the entrance is attached on an upper surface of a lower floor building unit disposed on one side of the building Construction method. In the construction method of the entrance according to claim 2,
After installing a waterproof floor for a balcony that has been waterproofed on one side of a building of the upper surface of the upper floor panel, the entrance is connected to the upper surface of the upper floor panel and the waterproof floor Installation method of entrance, characterized by being attached along the central edge of the building. In the construction method of the entrance according to any one of claims 1 to 3,
When temporarily attaching the entrance to the inclined surface side portion of the upper floor building unit, use a temporary mounting jig that compensates for the difference between the height of the entrance and the height of the upper floor building unit. An entrance construction method characterized by It is an entrance used in the construction method of the entrance according to any one of claims 1 to 4,
A frame for forming an opening in the upper floor wall of the building and supporting the inclined surface material;
An entrance comprising: a sash attached to an inner surface of the frame.

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